{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{6}{c}}
\toprule
            &\multicolumn{2}{c}{Ships to UK}&\multicolumn{2}{c}{Ships not to UK}&\multicolumn{2}{c}{All ships}  \\\cmidrule(lr){2-3}\cmidrule(lr){4-5}\cmidrule(lr){6-7}
            &\multicolumn{1}{c}{(1)}   &\multicolumn{1}{c}{(2)}   &\multicolumn{1}{c}{(3)}   &\multicolumn{1}{c}{(4)}   &\multicolumn{1}{c}{(5)}   &\multicolumn{1}{c}{(6)}   \\
\midrule
Fail\textsubscript{po} $\times$ post&      -0.705*  &      -0.784** &      -0.791***&      -0.739***&      -0.420** &      -0.428** \\
            &     [0.376]   &     [0.376]   &     [0.246]   &     [0.268]   &     [0.191]   &     [0.201]   \\
Destination\textsubscript{d} $\times$ post FE&               &               &               &               &           Y   &           Y   \\
ln(distance\textsubscript{od}) &               &               &               &               &               &           Y   \\
Country\textsubscript{o} $\times$ post FE&           Y   &           Y   &           Y   &           Y   &           Y   &           Y   \\
Port\textsubscript{p} FE &           Y   &           Y   &           Y   &           Y   &           Y   &           Y   \\
Port controls $\times$ post&               &           Y   &               &           Y   &               &               \\
\midrule
N           &         452   &         452   &         506   &         506   &        2532   &        2532   \\
Ports       &         226   &         226   &         253   &         253   &         207   &         207   \\
Clusters    &          53   &          53   &          54   &          54   &          52   &          52   \\
\bottomrule
\end{tabular}
}
